Dave Hart wrote: > On Feb 1, 9:09 am, ma...@ntp.isc.org (Danny Mayer) wrote: >> Dave Hart wrote: >>> I didn't say no one ever uses timeBeginPeriod to raise the multimedia >>> timer precision on a server. I said it is reasonable to know a >>> particular server will not run any software which raises the >>> multimedia timer precision. If, on the other hand, you know you do >>> use such software, or you can't be sure what software will be run, -M >>> with the experimental ntpd is wise with Vista and WS2008. >> No, that's not correct. You cannot make any assumptions whatsoever as to >> what the system may be running. > > I most certainly can make assumptions about what my system may be > running, your orders notwithstanding. > >> It is a fallacy to assume that any admin >> or user will have any idea what any applications will be doing with the >> multimedia timer or any other code that affects the clock. > > BS. I know exactly what runs on my servers, and alone decide. I am > an admin or user. Your blanket assertion is wrong. If they don't > know, the safe choice (and the Meinberg installer's default) is to use > -M. > >> Furthermore >> as new applications get deployed with as a pure user application or as a >> server application you have no idea what its requirements might be. ntp >> is founded on the principal that the system clock needs to be correct no >> matter what the system or network is or is not doing. > > Run with -M. > >> I don't have the time right now to analyze your changes but you need to >> ensure that this works on a large variety of systems in a large variety >> of environments. > > As I've stated repeatedly, it's better than what we have now. Now > interpolation is used unconditionally. With my change, it is avoided > if the scenario that breaks it is detected (fine-grained system > clock). On Vista and later, with -M, it always detects that breakage > and disables interpolation. There is no regression, only forward > progress.
Sorry, you misunderstand what I meant. What you do personally is up to you. However, what goes into the ntp project I do have a say. I appreciate your efforts and would be happy to incorporate your suggested changes into ntp, but it needs to follow the guidelines. Danny _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
